Signavique

Platform coverage

Every mailbox. One operational standard.

Native connectors for the big platforms, guided installers for desktop and mobile clients, and a catch-all connector for everything else — so nobody is left configuring their own signature.

Microsoft 365 / Exchange OnlineOutlookExchange Server on-premisesGoogle WorkspaceGmailApple MailiOS & iPadOS MailAndroidMozilla Thunderbird

Microsoft

Microsoft 365 / Exchange Online

Directory import + guided install

Native connector

Microsoft Entra directory import and guided Outlook installation; transport stamping is not available.

  • One-time consent with a Microsoft Entra app registration
  • Manual client installation; transport stamping is planned
  • Dynamic attributes: department, office, manager, extensionAttributes
  • Shared mailbox and alias installation requires separate setup

Outlook (Windows, Mac & Web)

Roaming signatures

Native connector

Signatures appear in the compose window, not just on the server copy.

  • Roaming signatures sync to Outlook 2016–2024 and Outlook for Mac
  • New Outlook and Outlook on the web supported
  • Optional desktop agent for locked-down environments

Exchange Server on-premises

Guided HTML installation

Native connector

HTML export for Exchange mail clients; an on-premises transport agent is not available.

  • No Signavique transport agent currently available
  • Automatic LDAP sync is not available
  • Install exported HTML through your mail client
  • Runs alongside Exchange Online in hybrid topologies

Google

Google Workspace

Admin SDK + Gmail API

Native connector

Google directory imports and guided Gmail signature installation.

  • Domain-wide delegation with a Google Cloud service account
  • Paste exported HTML into Gmail signature settings
  • Org-unit and group targeting mirrors Workspace
  • Admin SDK keeps user data in sync automatically

Gmail (personal)

Guided copy & paste

Copy & paste

One-click copy straight into Gmail settings — no admin access needed.

  • Copy-ready HTML that keeps images and buttons intact
  • Works on free @gmail.com accounts
  • Step-by-step install guide in the user portal

Apple & mobile

Apple Mail (macOS)

Signature file install

Assisted install

Drag-and-drop signature file with a guided installer for Ventura and later.

  • Download a ready .mailsignature file
  • Retains images, links and buttons in Apple Mail
  • Includes lock instructions so macOS doesn't overwrite it

iOS & iPadOS Mail

Mobile copy helper

Assisted install

Mobile copy helper that preserves rich formatting on iPhone and iPad.

  • Tap-to-copy from the portal on mobile Safari
  • Optional compact reply-chain signature for phones
  • Mail-server stamping is not available; configure the mobile client separately

Android (Gmail & Outlook apps)

App helper + server stamping

Assisted install

Rich signatures on Android, or automatic stamping via your mail platform.

  • Gmail for Android rich-text signature helper
  • Outlook for Android picks up roaming signatures
  • Compact mobile layout available per device type

Other platforms

Mozilla Thunderbird

HTML file import

Assisted install

Attach an exported HTML file as the account signature.

  • HTML file import per identity
  • Works on Windows, macOS and Linux

Zoho Mail

Paste or SMTP relay

Copy & paste

Paste into the Zoho signature editor or deploy through the catch-all connector.

  • Rich-text paste keeps layout intact
  • Per-alias signatures supported

Proton Mail

HTML paste

Copy & paste

HTML signature paste for Proton web and desktop.

  • HTML source paste
  • Images served from your own host or our CDN add-on

Yahoo Mail & AOL

Rich-text paste

Copy & paste

Rich-text paste into the Yahoo or AOL signature box.

  • Rich-text paste
  • Compact layout recommended

Fastmail

HTML paste or CSV

Copy & paste

Paste HTML or deploy through the IMAP catch-all connector.

  • HTML paste per identity
  • CSV user import supported

Zimbra

HTML paste or relay

Copy & paste

HTML source paste, or stamping via an SMTP relay.

  • HTML source paste
  • Optional relay enforcement

Any IMAP / SMTP provider

Catch-all connector

Native connector

Rackspace, cPanel mail, hosting resellers and anything else that speaks IMAP.

  • CSV or SCIM import for providers without an admin API
  • Users install from the self-serve portal
  • Optional SMTP relay stamping for full enforcement

Not on that list?

Rackspace, cPanel mail, hosting resellers and anything else that speaks IMAP or SMTP works through the catch-all connector and the self-serve user portal.